
import numpy as np 
from matplotlib import pyplot as plt

th = np.linspace(0, 1 * np.pi, 3600)

x = 160 *(np.cos(th)) 
y = 160 *(np.sin(th))

plt.plot(x, y)
plt.axis("equal") 
plt.show()

x.shape =(x.shape[0], 1) 
y.shape =(y.shape[0], 1) 
points = np.hstack((x, y)) 
points = points.astype(np.int16) 
np.savetxt("points.csv", points, delimiter = ",", fmt = "%3d")